It's pure silver. The product marked with 999 pure silver should contain 99.9% silver. According to the national standard "Regulations and Naming Methods of Precious Metals in Jewelry", those with silver content above 92.5% belong to pure silver. The silver ornaments marked with 999 sold by Songpan Marriott Lv Wen Investment Co., Ltd. passed the quality inspection certification and met the national standard of pure silver. Songpan Marriott Lv Wen Investment Co., Ltd. is a registered enterprise in Songpan County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province, China.